arch/arm/mach-s3c/pll-s3c2410.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // Copyright (c) 2006-2007 Simtec Electronics
   4 //      http://armlinux.simtec.co.uk/
   5 //      Ben Dooks <ben@simtec.co.uk>
   6 //      Vincent Sanders <vince@arm.linux.org.uk>
   7 //
   8 // S3C2410 CPU PLL tables
   9
  10 #include <linux/types.h>
  11 #include <linux/kernel.h>
  12 #include <linux/module.h>
  13 #include <linux/device.h>
  14 #include <linux/list.h>
  15 #include <linux/clk.h>
  16 #include <linux/err.h>
  17
  18 #include <linux/soc/samsung/s3c-cpufreq-core.h>
  19 #include <linux/soc/samsung/s3c-pm.h>
  20
  21 /* This array should be sorted in ascending order of the frequencies */
  22 static struct cpufreq_frequency_table pll_vals_12MHz[] = {
  23     { .frequency = 34000000,  .driver_data = PLLVAL(82, 2, 3),   },
  24     { .frequency = 45000000,  .driver_data = PLLVAL(82, 1, 3),   },
  25     { .frequency = 48000000,  .driver_data = PLLVAL(120, 2, 3),  },
  26     { .frequency = 51000000,  .driver_data = PLLVAL(161, 3, 3),  },
  27     { .frequency = 56000000,  .driver_data = PLLVAL(142, 2, 3),  },
  28     { .frequency = 68000000,  .driver_data = PLLVAL(82, 2, 2),   },
  29     { .frequency = 79000000,  .driver_data = PLLVAL(71, 1, 2),   },
  30     { .frequency = 85000000,  .driver_data = PLLVAL(105, 2, 2),  },
  31     { .frequency = 90000000,  .driver_data = PLLVAL(112, 2, 2),  },
  32     { .frequency = 101000000, .driver_data = PLLVAL(127, 2, 2),  },
  33     { .frequency = 113000000, .driver_data = PLLVAL(105, 1, 2),  },
  34     { .frequency = 118000000, .driver_data = PLLVAL(150, 2, 2),  },
  35     { .frequency = 124000000, .driver_data = PLLVAL(116, 1, 2),  },
  36     { .frequency = 135000000, .driver_data = PLLVAL(82, 2, 1),   },
  37     { .frequency = 147000000, .driver_data = PLLVAL(90, 2, 1),   },
  38     { .frequency = 152000000, .driver_data = PLLVAL(68, 1, 1),   },
  39     { .frequency = 158000000, .driver_data = PLLVAL(71, 1, 1),   },
  40     { .frequency = 170000000, .driver_data = PLLVAL(77, 1, 1),   },
  41     { .frequency = 180000000, .driver_data = PLLVAL(82, 1, 1),   },
  42     { .frequency = 186000000, .driver_data = PLLVAL(85, 1, 1),   },
  43     { .frequency = 192000000, .driver_data = PLLVAL(88, 1, 1),   },
  44     { .frequency = 203000000, .driver_data = PLLVAL(161, 3, 1),  },
  45
  46     /* 2410A extras */
  47
  48     { .frequency = 210000000, .driver_data = PLLVAL(132, 2, 1),  },
  49     { .frequency = 226000000, .driver_data = PLLVAL(105, 1, 1),  },
  50     { .frequency = 266000000, .driver_data = PLLVAL(125, 1, 1),  },
  51     { .frequency = 268000000, .driver_data = PLLVAL(126, 1, 1),  },
  52     { .frequency = 270000000, .driver_data = PLLVAL(127, 1, 1),  },
  53 };
  54
  55 static int s3c2410_plls_add(struct device *dev, struct subsys_interface *sif)
  56 {
  57         return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz));
  58 }
  59
  60 static struct subsys_interface s3c2410_plls_interface = {
  61         .name           = "s3c2410_plls",
  62         .subsys         = &s3c2410_subsys,
  63         .add_dev        = s3c2410_plls_add,
  64 };
  65
  66 static int __init s3c2410_pll_init(void)
  67 {
  68         return subsys_interface_register(&s3c2410_plls_interface);
  69
  70 }
  71 arch_initcall(s3c2410_pll_init);
  72
  73 static struct subsys_interface s3c2410a_plls_interface = {
  74         .name           = "s3c2410a_plls",
  75         .subsys         = &s3c2410a_subsys,
  76         .add_dev        = s3c2410_plls_add,
  77 };
  78
  79 static int __init s3c2410a_pll_init(void)
  80 {
  81         return subsys_interface_register(&s3c2410a_plls_interface);
  82 }
  83 arch_initcall(s3c2410a_pll_init);